UPDATE 
  cscart_multi_declock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'V7GVoW/9en81zyr+p/ViwCHNp18rH0cA6C8wED/6lnk=' 
WHERE 
  key_id = '67b9cc4442e525f16b688ce51d8ec6d88b20c4a3c6ca7756741fbb3e36f44625' 
  AND (
    token = 'V7GVoW/9en81zyr+p/ViwCHNp18rH0cA6C8wED/6lnk=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )